Finding the Fourth Proportional to 1,474,302.13, 2,035,164.69 and 991,147.50
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Solution
The fourth proportional to 1,474,302.13, 2,035,164.69 and 991,147.50 is: 1,368,205.58
Step by Step Solution
- Step 1: Write the proportion equation
1,474,302.13 : 2,035,164.69 = 991,147.50 : x - Step 2: Convert to fraction form
1,474,302.13/2,035,164.69 = 991,147.50/x - Step 3: Cross multiply
1,474,302.13x = 2,035,164.69 × 991,147.50 - Step 4: Simplify right side
1,474,302.13x = 2,017,148,394,581.78 - Step 5: Solve for x
x = 2,017,148,394,581.78/1,474,302.13 - Step 6: Final answer
x = 1,368,205.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.